Home / 198,061.32-273,319.50-113,178.39

Finding the Fourth Proportional to 198,061.32, 273,319.50 and 113,178.39

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Solution

The fourth proportional to 198,061.32, 273,319.50 and 113,178.39 is: 156,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,061.32 : 273,319.50 = 113,178.39 : x
  2. Step 2: Convert to fraction form
    198,061.32/273,319.50 = 113,178.39/x
  3. Step 3: Cross multiply
    198,061.32x = 273,319.50 × 113,178.39
  4. Step 4: Simplify right side
    198,061.32x = 30,933,860,965.61
  5. Step 5: Solve for x
    x = 30,933,860,965.61/198,061.32
  6. Step 6: Final answer
    x = 156,183.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.